diff options
author | tjr <tjr@FreeBSD.org> | 2002-12-19 09:46:10 +0000 |
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committer | tjr <tjr@FreeBSD.org> | 2002-12-19 09:46:10 +0000 |
commit | a585a3e1d1a16e8dd6bfbe1b7a95b77940fcc20d (patch) | |
tree | f0e9e220abcdaf285cb63c499771e93a8a4ac1ac /tools/regression/lib/libc | |
parent | 51fe7c1a888747c57136cc34ec54a93a0487b745 (diff) | |
download | FreeBSD-src-a585a3e1d1a16e8dd6bfbe1b7a95b77940fcc20d.zip FreeBSD-src-a585a3e1d1a16e8dd6bfbe1b7a95b77940fcc20d.tar.gz |
Add a test program for perror() that demonstrates two bugs in the
current implementation.
Diffstat (limited to 'tools/regression/lib/libc')
-rw-r--r-- | tools/regression/lib/libc/stdio/Makefile | 11 | ||||
-rw-r--r-- | tools/regression/lib/libc/stdio/test-perror.c | 105 |
2 files changed, 116 insertions, 0 deletions
diff --git a/tools/regression/lib/libc/stdio/Makefile b/tools/regression/lib/libc/stdio/Makefile new file mode 100644 index 0000000..33d283e --- /dev/null +++ b/tools/regression/lib/libc/stdio/Makefile @@ -0,0 +1,11 @@ +# $FreeBSD$ + +TESTS= test-perror + +.PHONY: tests +tests: ${TESTS} + for p in ${TESTS}; do ${.OBJDIR}/$$p; done + +.PHONY: clean +clean: + -rm -f ${TESTS} diff --git a/tools/regression/lib/libc/stdio/test-perror.c b/tools/regression/lib/libc/stdio/test-perror.c new file mode 100644 index 0000000..7d83155 --- /dev/null +++ b/tools/regression/lib/libc/stdio/test-perror.c @@ -0,0 +1,105 @@ +/*- + * Copyright (c) 2002 Tim J. Robbins + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +/* + * Test program for perror() as specified by IEEE Std. 1003.1-2001 and + * ISO/IEC 9899:1999. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <assert.h> +#include <err.h> +#include <errno.h> +#include <limits.h> +#include <paths.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +static void cleanup(void); +static char tmpfil[PATH_MAX]; + +int +main(int argc, char *argv[]) +{ + char lbuf[512]; + int i; + char *s; + + strcpy(tmpfil, _PATH_TMP "perror.XXXXXXXX"); + if (mkstemp(tmpfil) < 0) + err(1, "mkstemp"); + atexit(cleanup); + /* Reopen stderr on a file descriptor other than 2. */ + fclose(stderr); + for (i = 0; i < 3; i++) + dup(0); + if (freopen(tmpfil, "r+", stderr) == NULL) + err(1, "%s", tmpfil); + + /* + * Test that perror() doesn't call strerror() (4.4BSD bug), + * the two ways of omitting a program name, and the formatting when + * a program name is specified. + */ + s = strerror(ENOENT); + assert(strcmp(s, "No such file or directory") == 0); + errno = EPERM; + perror(NULL); + perror(""); + perror("test-perror"); + assert(strcmp(s, "No such file or directory") == 0); + + /* + * Read it back to check... + */ + rewind(stderr); + s = fgets(lbuf, sizeof(lbuf), stderr); + assert(s != NULL); + assert(strcmp(s, "Operation not permitted\n") == 0); + s = fgets(lbuf, sizeof(lbuf), stderr); + assert(s != NULL); + assert(strcmp(s, "Operation not permitted\n") == 0); + s = fgets(lbuf, sizeof(lbuf), stderr); + assert(s != NULL); + assert(strcmp(s, "test-perror: Operation not permitted\n") == 0); + s = fgets(lbuf, sizeof(lbuf), stderr); + assert(s == NULL); + fclose(stderr); + + printf("PASS perror()\n"); + + return (0); +} + +static void +cleanup(void) +{ + + unlink(tmpfil); +} |